Problemset - Codeforces

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Codeforces Round 1131 (Div. 3)
4 days
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Problems

#	Name
898E	Squares and not squares constructive algorithms, greedy	1600	x4921
898D	Alarm Clock greedy	1600	x4668
888D	Almost Identity Permutations combinatorics, dp, math	1600	x11209
878A	Short Program bitmasks, constructive algorithms	1600	x6115
877C	Slava and tanks constructive algorithms	1600	x6115
873C	Strange Game On Matrix greedy, two pointers	1600	x3701
858D	Polycarp's phone book data structures, implementation, sortings	1600	x4448
856A	Set Theory brute force, constructive algorithms	1600	x1665
849B	Tell Your World brute force, geometry	1600	x4096
848A	From Y to Y constructive algorithms	1600	x5377
847H	Load Testing greedy	1600	x2643
847B	Preparing for Merge Sort binary search, data structures	1600	x6584
845B	Luba And The Ticket brute force, greedy, implementation	1600	x5784
837B	Flag of Berland brute force, implementation	1600	x4485
835C	Star sky dp, implementation	1600	x9650
832B	Petya and Exam implementation, strings	1600	x4716
830B	Cards Sorting data structures, implementation, sortings	1600	x3102
825C	Multi-judge Solving greedy, implementation	1600	x4957
825B	Five-In-a-Row brute force, implementation	1600	x4883
822C	Hacker, pack your bags! binary search, greedy, implementation, sortings	1600	x5000
818B	Permutation Game implementation	1600	x3292
817C	Really Big Numbers binary search, brute force, dp, math	1600	x8755
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x8202
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5608
793B	Igor and his way to work dfs and similar, graphs, implementation, shortest paths	1600	x4973
788A	Functions again dp, two pointers	1600	x10378
785C	Anton and Fairy Tale binary search, math	1600	x7966
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x10368
780B	The Meeting Place Cannot Be Changed binary search	1600	x13965
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6942
774K	Stepan and Vowels *special problem, implementation, strings	1600	x1403
768B	Code For 1 constructive algorithms, dfs and similar, divide and conquer	1600	x7307
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x12434
756B	Travel Card binary search, dp	1600	x4633
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1466
750C	New Year and Rating binary search, greedy, math	1600	x7187
746C	Tram constructive algorithms, implementation, math	1600	x3910
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x6075
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5763
735D	Taxes math, number theory	1600	x16511
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x8104
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5762
733D	Kostya the Sculptor data structures, hashing	1600	x4398
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x8095
730G	Car Repair Shop implementation	1600	x2338
727B	Bill Total Value expression parsing, implementation, strings	1600	x2301
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2958
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x7670
723C	Polycarp at the Radio greedy	1600	x5316
722C	Destroying Array data structures, dsu	1600	x12159
715A	Plus and Square Root constructive algorithms, math	1600	x5903
712C	Memory and De-Evolution greedy, math	1600	x6275
706C	Hard problem dp, strings	1600	x20658
704A	Thor brute force, data structures, implementation	1600	x10457
691B	s-palindrome implementation, strings	1600	x8298
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x6814
683C	Symmetric Difference *special problem	1600	x342
683B	The Teacher of Physical Education *special problem	1600	x341
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x8392
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x10922
678C	Joty and Chocolate implementation, math, number theory	1600	x11383
678B	The Same Calendar implementation	1600	x4985
665A	Buses Between Cities implementation	1600	x3249
660C	Hard Process binary search, dp, two pointers	1600	x11242
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x8211
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x448
645C	Enduring Exodus binary search, two pointers	1600	x4531
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3447
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x7082
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x2144
630G	Challenge Pennants combinatorics, math	1600	x3409
626C	Block Towers brute force, greedy, math, number theory	1600	x4665
618C	Constellation geometry, implementation	1600	x4828
617C	Watering Flowers implementation	1600	x5324
616D	Longest k-Good Segment binary search, data structures, two pointers	1600	x13520
616C	The Labyrinth dfs and similar	1600	x7111
615B	Longtail Hedgehog dp, graphs	1600	x5912
607A	Chain Reaction binary search, dp	1600	x11259
606B	Testing Robots implementation	1600	x2869
605A	Sorting Railway Cars constructive algorithms, greedy	1600	x7704
603A	Alternative Thinking dp, greedy, math	1600	x8350
601A	The Two Routes graphs, shortest paths	1600	x14478
600A	Extract Numbers implementation, strings	1600	x5922
599C	Day at the Beach sortings	1600	x5230
597B	Restaurant dp, greedy, sortings	1600	x5934
597A	Divisibility math	1600	x5029
595B	Pasha and Phone binary search, math	1600	x3150
593B	Anton and Lines geometry, sortings	1600	x4244
573B	Bear and Blocks binary search, data structures, dp, math	1600	x6490
570C	Replacement constructive algorithms, data structures, implementation	1600	x9648
568A	Primes or Palindromes? brute force, implementation, math, number theory	1600	x5439
559A	Gerald's Hexagon brute force, geometry, math	1600	x11162
538C	Tourist's Notes binary search, brute force, greedy, implementation, math	1600	x6190
534C	Polycarpus' Dice math	1600	x5325
530D	Set subtraction *special problem	1600	x463
530B	String inside out *special problem	1600	x558
525C	Ilya and Sticks greedy, math, sortings	1600	x6142
524A	Возможно, вы знаете этих людей? implementation	1600	x1494
523D	Statistics of Recompressing Videos *special problem, data structures, implementation	1600	x2618
518C	Anya and Smartphone constructive algorithms, data structures, implementation	1600	x6446

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